<?xml version="1.0" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html" indent="yes" />
<xsl:template match="/">
<html>
<head>
<link rel="stylesheet" type="text/css" href="styledata.css" />
<title> Some Interesting information about <xsl:value-of select="count(/data/item)" /> famous physicists </title>
</head>
<body>
<table border="1">
<tr><th> Name </th> <th> Birthday </th> <th> Birthplace </th> </tr>
<xsl:for-each select="/data/item">
<xsl:sort select="normalize-space(name)" />
<xsl:apply-templates select="." >
<xsl:with-param name="rowCount" select="position()" />
</xsl:apply-templates>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
<xsl:template match="/data/item" >
<xsl:param name="rowCount" />
<!-- modified so that there are three background colors: white, grey and yellow" -->
<xsl:variable name="rowBgColor" >
<xsl:choose>
<xsl:when test="$rowCount mod 3 = 0">
<xsl:text>white</xsl:text>
</xsl:when>
<xsl:when test="$rowCount mod 3 = 1" >
<xsl:text>#333333</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>yellow</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<tr bgcolor="{$rowBgColor}" >
<td> <xsl:value-of select="name" /> </td>
<td> <xsl:value-of select="birthday" /> </td>
<td> <xsl:value-of select="birthPlace" /> </td>
</tr> </xsl:template>
</xsl:stylesheet>